package org.weborganic.furi;

import java.util.List;

/**
 * Defines tokens which use an operator to handle one or more variables.
 *
 * @author Christophe Lauret
 * @version 9 February 2009
 */
public interface TokenOperator extends Token {

	/**
	 * Returns the list of variables used in this token.
	 * 
	 * @return the list of variables.
	 */
	List<Variable> variables();

}
